The 5G tech market is now thought to be capable of hitting US$667.9 billion by the middle of the next decade. This is particularly impressive as it is also projected to accrue only $5.54 billion by 2020. This growth may be driven by a demand for streaming and for improved connectivity among industrial buyers.
https://www.notebookcheck.net/5G-technology-is-now-projected-to-build-a-market-worth-over-US-600-billion-by-2026.428638.0.html